1. Home
  2. Directory
  3. Connecticut
  4. Danbury
  5. Nurse Practitioner
  6. NPI Profile

GREGORY GUION APRN
NPI 1154937910
Nurse Practitioner - Psychiatric/Mental Health in Danbury, CT

Active since September 17, 2020PECOS EnrolledAccepts Medicare Assignment
72 NORTH ST, STE 103, DANBURY, CT 06810(860) 996-1569(860) 257-7999 Get Directions Write a Review

NPPES record last updated: November 9, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 9, 2021, Sep 17, 2020 (2 updates tracked since 2020).

About Gregory Guion Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY GUION APRN (NPI 1154937910) is an individual psychiatric/mental health provider in Danbury, Connecticut, licensed in Connecticut (9182) and active in the NPI registry since September 2020. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2019).

NPPES Registry Identity

NPI1154937910
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameGREGORY GUIONCredential: APRN
Location Address72 NORTH ST, STE 103Danbury, CT 06810-5653
Mailing Address72 North St, Ste 103Danbury, CT 06810-5653 · (860) 996-1569 · Fax (860) 257-7999
Phone(860) 996-1569
Fax(860) 257-7999
Sole ProprietorYes
Medical School CMSNew York University School Of MedicineGraduated 2019
Enumeration DateSeptember 17, 2020
Last NPPES UpdateNovember 9, 20212 updates tracked since enumeration
NPPES CertifiedNovember 9, 2021
✔ NPI 1154937910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CT · 9182
72 NORTH ST, Danbury, CT 06810
Open in Google Maps ↗

Other Identifiers 1

Other9182CT · Aprn License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Guion Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830589076
PECOS Enrollment IDI20211202002066
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CAROLYN CUNNINGHAM LPC, NCC
Counselor (Professional)
72 NORTH ST, SUITE 205
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-1044
KATHERINE S POWELL LCSW MPH
Social Worker (Clinical)
72 NORTH ST
DANBURY, CT 06810
Western Connecticut Planning Region (203) 942-9830
MS. JOAN SOSNOWITZ WYNER LCSW
Social Worker (Clinical)
72 NORTH ST, STE 103
DANBURY, CT 06810
Western Connecticut Planning Region (203) 756-8021
WENDY R MOONEY LCSW
Social Worker (Clinical)
72 NORTH ST, SUITE 102
DANBURY, CT 06810
Western Connecticut Planning Region (203) 947-9935
DR. RUTH N HOLT
Counselor
72 NORTH ST, SUITE 201
DANBURY, CT 06810
Western Connecticut Planning Region (203) 798-0068
MRS. MARLENE SERBY LCSW
Social Worker (Clinical)
72 NORTH ST, SUITE 205
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-1044
SARAH RANDOLPH BORLO LCSW
Social Worker (Clinical)
72 NORTH ST
DANBURY, CT 06810
Western Connecticut Planning Region (203) 272-1234
MARGARET M SCALIA ANP
Nurse Practitioner (Psychiatric/Mental Health)
72 NORTH ST
DANBURY, CT 06810
Western Connecticut Planning Region (203) 748-1303

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Guion's NPI number?

The NPI number for Gregory Guion is 1154937910. It was assigned to this individual provider in the NPPES registry on September 17, 2020.

Where is Gregory Guion located?

Gregory Guion practices at 72 North St Ste 103, Danbury, CT 06810. The listed phone number is (860) 996-1569.

What is Gregory Guion's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Gregory Guion enrolled in Medicare?

Yes. Gregory Guion is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Guion accept?

Health plans from Providence Health Plan list Gregory Guion as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Guion was last updated on November 9, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.